タイトルまたは説明

★★★★★Zinc Oxide Molecular Formula: ZnO Molecular Weight: *1.*9 Character：white powder CAS RN：********2 Materialize character：Density 5.**6，melting point ***5℃, sublime when ***0℃, dissoluble in acid, alkali, ammonium chloride and ammonia, indissoluble in water and ethanol. Application: rubber, ceramics, medicine, paint, printing and dyeing, magnetic material, electron chemical engineering and so on. Specification : Indirect process Standard: GB/T********2 Item Standard Environment prot grade Industry top grade Industry one grade Eligibility product Zinc oxide(ZnO) ≥ , % *9.8 *9.7 *9.5 *9.4 Hardware (base on Zn) ≤ , % None None None 0.**8 Lead oxide (base on Pb) ≤ , % 0.***0 0.**7 0.**0 0.*4 Oxide of mangan (base on Mn) ≤ , % 0.***1 0.***1 0.***1 0.***3 Cupelric oxide (base on Cu) ≤ , % 0.***2 0.***2 0.***4 0.***7 Muriatic acid insoluble substance ≤ , % 0.**4 0.**6 0.**8 0.*5 Loss on ignition ≤ , % 0.*0 0.*0 0.*0 0.*0 Residue on sieve (*5um mesh) ≤ , % 0.**8 0.*0 0.*5 0.*0 Hydrotrope ≤ , % 0.**8 0.*0 0.*0 0.*5 **5 oC Volatile ≤ , % 0.*5 0.*0 0.*0 0.*0 Direct process Standard: GB/T********6